rename headerfile

Makefile.am

@@ -12,7 +12,7 @@ dist_man8_MANS=bgpq4.8
 bgpq4_LDADD = $(PLATFORM_LDADD) $(PROG_LDADD)
 bgpq4_LDADD += $(top_builddir)/compat/libcompat.la
 
-bgpq4_SOURCES=bgpq4.c bgpq4.h config.h bgpq4_printer.c bgpq_expander.c \
+bgpq4_SOURCES=bgpq4.c extern.h bgpq4_printer.c bgpq_expander.c \
     expander_freeall.c sx_maxsockbuf.c \
     sx_prefix.c sx_prefix.h sx_report.c sx_report.h \
     sx_slentry.c sx_slentry.h

bgpq4.c

@@ -41,7 +41,7 @@
 #include <strings.h>
 #include <unistd.h>
 
-#include "bgpq4.h"
+#include "extern.h"
 #include "sx_report.h"
 
 extern int debug_expander;

bgpq4_printer.c

@@ -38,7 +38,7 @@
 #include <string.h>
 #include <strings.h>
 
-#include "bgpq4.h"
+#include "extern.h"
 #include "sx_report.h"
 
 extern int debug_expander;

bgpq_expander.c

@@ -49,7 +49,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 
-#include "bgpq4.h"
+#include "extern.h"
 #include "sx_report.h"
 
 int debug_expander = 0;

expander_freeall.c

@@ -27,7 +27,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include <bgpq4.h>
+#include "extern.h"
 
 void
 sx_radix_node_freeall(struct sx_radix_node *n) {